<?php

class AboutController extends Controller
{
	/**
	 * @var string the default layout for the views. Defaults to '//layouts/column2', meaning
	 * using two-column layout. See 'protected/views/layouts/column2.php'.
	 */
	public $layout='//layouts/column2';

	/**
	 * @return array action filters
	 */
	public function filters()
	{
		return array(
			'accessControl', // perform access control for CRUD operations
			'postOnly + delete', // we only allow deletion via POST request
			//'postOnly + delete, create', // we only allow deletion via POST request
		);
	}

	/**
	 * Specifies the access control rules.
	 * This method is used by the 'accessControl' filter.
	 * @return array access control rules
	 */
	public function accessRules()
	{
		return array(
			array('allow',  // allow all users to perform 'index' and 'view' actions
				'actions'=>array('index','view'),
				'users'=>array('*'),
			),
			array('allow', // allow authenticated user to perform 'create' and 'update' actions
				'actions'=>array('create','update'),
				'users'=>array('@'),
			),
			array('allow', // allow admin user to perform 'admin' and 'delete' actions
				'actions'=>array('admin','delete'),
				'users'=>array('admin'),
			),
			array('deny',  // deny all users
				'users'=>array('*'),
			),
		);
	}

	/**
	 * Displays a particular model.
	 * @param integer $id the ID of the model to be displayed
	 */
	public function actionView($id)
	{
		$this->render('view',array(
			'model'=>$this->loadModel($id),
		));
	}

	/**
	 * Creates a new model.
	 * If creation is successful, the browser will be redirected to the 'view' page.
	 */
	public function actionCreate()
	{
		$model=new About;
		$images = array();
		
		// Uncomment the following line if AJAX validation is needed
		// $this->performAjaxValidation($model);

		if(isset($_POST['About']))
		{
			$model->attributes=$_POST['About'];
			if($model->save()) {
				
				$images = CUploadedFile::getInstancesByName('images');
				
				if (isset($images) && count($images) > 0) {
					
					// the default implementation makes it under 777 permission, 
					// which you could possibly change recursively before deployment, 
					// but here's less of a headache in case you don't
	                if (!is_dir(Yii::getPathOfAlias('webroot') . '/uploads/about')) {
	                    mkdir(Yii::getPathOfAlias('webroot') . '/uploads/about');
						
	                }
	
					// go through each uploaded image
	                foreach ($images as $image) {
	
	                    if ($image->saveAs(Yii::getPathOfAlias('webroot').'/uploads/about/'.$image->name)) {
	
							// add it to the main model now
	                        $img = new Image;
	                        
	                        // it might be $img->name for you, filename is just what I chose to call it in my model
	                        $img->name = $image->name;
	                        // this links your picture model to the main model (like your user, or profile model)
	                        $img->about_id = $model->id; 
	                        $img->path = '/uploads/about/'.$image->name;
	                        $img->mimetype = $image->type;
	                        
	                        // save image
	                        $img->save(); 
	                    } else {
	                        echo 'write your own';
	                    }
	                }
	
	            }
	            
	            $this->redirect(array('view', 'id' => $model->id));
			}
			
		}

		$this->render('create',array(
			'model'=>$model,
			'photos'=>$images,
		));
	}

	/**
	 * Updates a particular model.
	 * If update is successful, the browser will be redirected to the 'view' page.
	 * @param integer $id the ID of the model to be updated
	 */
	public function actionUpdate($id)
	{
		$images = $photos = $oldImages = array();
		$model = $this->loadModel($id);
		
		$model = $model->with('image')->findByPk($id);
		
		if ($model->hasRelated('image')) {
			$photos = $model->getRelated('image');
		}
			
		// Uncomment the following line if AJAX validation is needed
		// $this->performAjaxValidation($model);

		if(isset($_POST['About']))
		{
			
			$model->attributes=$_POST['About'];
			
			if (isset($_POST['oldimages'])){
				foreach ($_POST['oldimages'] as $val)
					$oldImages[] = $val;
			}			
			
			if (isset($_FILES['images'])){
				$images = $_FILES['images'];
			}
			
			if($model->save()) {
				
				// the default implementation makes it under 777 permission, 
				// which you could possibly change recursively before deployment, 
				// but here's less of a headache in case you don't
                if (!is_dir(Yii::getPathOfAlias('webroot') . '/uploads/about')) {
                    mkdir(Yii::getPathOfAlias('webroot') . '/uploads/about');
					
                }

                $uploadDir = Yii::getPathOfAlias('webroot').'/uploads/about/';
                
				foreach ($images['name'] as $index => $value) {
	                	
                	$uploadFile = $uploadDir.basename($images['name'][$index]);
                	
                	if (!in_array($index, $oldImages)) {//insert new
                		
                		if (move_uploaded_file($images['tmp_name'][$index], $uploadFile)) {
		
							// add it to the main model now
	                        $img = new Image;
	                        
	                        // it might be $img->name for you, filename is just what I chose to call it in my model
	                        $img->name = $images['name'][$index];
	                        // this links your picture model to the main model (like your user, or profile model)
	                        $img->about_id = $model->id; 
	                        $img->path = '/uploads/about/'.$images['name'][$index];
	                        $img->mimetype = $images['type'][$index];
	                        
	                        $img->save();
	                        
	                    }
                	}
                	
                	else {//update
                		if (move_uploaded_file($images['tmp_name'][$index], $uploadFile)) {
		
							// add it to the main model now
	                        $img = new Image;
	                        
		                    if (isset($_POST['images'.$index])) {
	                            $image_id = $_POST['images'.$index];
	                            $img = Image::model()->findByPk($image_id);
	                            
		                        // it might be $img->name for you, filename is just what I chose to call it in my model
		                        $img->name = $images['name'][$index];
		                        // this links your picture model to the main model (like your user, or profile model)
		                        $img->about_id = $model->id; 
		                        $img->path = '/uploads/about/'.$images['name'][$index];
		                        $img->mimetype = $images['type'][$index];
		                        
		                        $img->update(array('name', 'path', 'mimetype', 'about_id'));
	                        }

	                    }
                	}
				
                }

                $this->redirect(array('view', 'id' => $model->id));
			}
			
		}

		$this->render('update',array(
			'model'=>$model,
			'photos'=>$photos,
		));
	}

	/**
	 * Deletes a particular model.
	 * If deletion is successful, the browser will be redirected to the 'admin' page.
	 * @param integer $id the ID of the model to be deleted
	 */
	public function actionDelete($id)
	{
		$this->loadModel($id)->delete();

		// if AJAX request (triggered by deletion via admin grid view), we should not redirect the browser
		if(!isset($_GET['ajax']))
			$this->redirect(isset($_POST['returnUrl']) ? $_POST['returnUrl'] : array('admin'));
	}

	/**
	 * Lists all models.
	 */
	public function actionIndex()
	{
		$dataProvider=new CActiveDataProvider('About');
		$this->render('index',array(
			'dataProvider'=>$dataProvider,
		));
	}

	/**
	 * Manages all models.
	 */
	public function actionAdmin()
	{
		$model=new About('search');
		$model->unsetAttributes();  // clear any default values
		if(isset($_GET['About']))
			$model->attributes=$_GET['About'];

		$this->render('admin',array(
			'model'=>$model,
		));
	}

	/**
	 * Returns the data model based on the primary key given in the GET variable.
	 * If the data model is not found, an HTTP exception will be raised.
	 * @param integer $id the ID of the model to be loaded
	 * @return About the loaded model
	 * @throws CHttpException
	 */
	public function loadModel($id)
	{
		$model=About::model()->findByPk($id);
		if($model===null)
			throw new CHttpException(404,'The requested page does not exist.');
		return $model;
	}

	/**
	 * Performs the AJAX validation.
	 * @param About $model the model to be validated
	 */
	protected function performAjaxValidation($model)
	{
		if(isset($_POST['ajax']) && $_POST['ajax']==='about-form')
		{
			echo CActiveForm::validate($model);
			Yii::app()->end();
		}
	}
}
